Brian William Porter, MD
Internal Medicine Physician · Elmhurst, IL
Brian William Porter, MD is an internal medicine physician with a practice address in Elmhurst, Illinois, and NPI 1346982162, issued on Apr 12, 2022. Check the license (Illinois 036.178282, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Brian William Porter
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036.178282 IL
74217 TN
Self-reported in NPPES; status is on the state search - Practice location
- 300 N York St, Elmhurst, IL 60126
- Phone
- (888) 584-7888
- Enumerated
- Apr 12, 2022
- Record last updated
- Jun 30, 2026
- Fax
- (630) 833-8834
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 300 N York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ellen Parker, MDInternal Medicine Physician1295001907
Verify Brian William Porter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.178282Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
66 Medicare Part D claims for 22 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Brian William Porter among 7,238 internal medicine physician records in Illinois
Brian William Porter, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 78% of them.
- NPI issued2022 · 78% of these records are older, 18% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
50 internal medicine physician records list a practice address in Elmhurst
They are 50 of the 1,540 NPPES records with a practice address in Elmhurst, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Elmhurst → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maggie Chacko, MDElmhurst, IL 601261417993734
- Yolanda Co, M.D.Elmhurst, IL 601261811985054
- John Damergis, MDElmhurst, IL 601261750332896
- Richard Finegold, MD.Elmhurst, IL 601261770564122
- Michael Hugar, MDElmhurst, IL 601261558343913
- Joseph Kaliski, MDElmhurst, IL 601261235180381
- Michael Nosek, MDElmhurst, IL 601261598716656
- Patrick O'Meara, M.D.Elmhurst, IL 601261437127891
Common questions
What is Brian William Porter, MD's NPI number?
Brian William Porter, MD's National Provider Identifier (NPI) is 1346982162, issued on Apr 12, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Brian William Porter, MD located?
The NPPES record lists a practice address at 300 N York St, Elmhurst, IL, 60126. Phone: (888) 584-7888. Providers update this record themselves, so call before visiting.
How can I verify Brian William Porter, MD's license?
NPPES lists Illinois license number 036.178282, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian William Porter, MD prescribe under Medicare Part D?
In 2024, Brian William Porter, MD had 66 Medicare Part D claims for 22 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.